Cooldown_time_remaining_plugin.py

# -*- coding: utf-8 -*-
from __future__ import absolute_import, unicode_literals
import re

import octoprint.plugin

TIME_REMAINING_THRESHOLD = 2  # mins
COOLDOWN_COMMAND = "M140 S0"

M73_R_REGEX = re.compile(r"R(\d*)")

class CooldownTimeRemainingPlugin(octoprint.plugin):
    def on_gcode_sending(
        self, comm, phase, cmd, cmd_type, gcode, subcode=None, tags=None, *args, **kwargs
    ):
        if gcode != 'M73':
            return
        match = M73_R_REGEX.match(cmd)
        if match:
            time_remaining = match.group(1)

            if int(time_remaining) <= TIME_REMAINING_THRESHOLD:
                self.send_cooldown_command()

    def send_cooldown_command(self):
        self._printer.commands(COOLDOWN_COMMAND)



__plugin_name__ = "Cooldown after Time Remaining"
__plugin_version__ = "1.0.0"
__plugin_description__ = "Waits for an M73 R<time> command to indicate there is less than {} time remaining, too begin cooling the bed"
__plugin_pythoncompat__ = ">=2.7,<4"
__plugin_implementation__ = CooldownTimeRemainingPlugin()
__plugin_hooks__ = {
        "octoprint.comm.protocol.gcode.queuing": __plugin_implementation__.on_gcode_sending,
    }